Improvement in sash-pulleys



A. R. WATTERS-ON.

SASH-PULLEY.

Patented May 2. 1876;

ATTORNEYS.

N- PETERS, P FHER, WASHINGYON, D4 Q I UNITED STATES PATENT OFFICE.

ARTHUR R. WATTERSON, OF SANFRANGISOO, CALIFORNIA,

IMPROVEMENT IN SASH-PULL EVS.

Specification forming part of Letters Patent No. 176,906, dated May 2, 1876; application filed January 22, 1876.

To all whom it may concern Be it known that I, ARTHUR R. WATTER- SON, of the city and county of San Francisco, California, have inventedan Improvement in Sash Pulleys, of which the following is a specification: v l I The invention consists in securing the shaft or cross-pin of a sash-pulley by fins or vprov jecting flanges formed thereon, and fitting in corresponding elongated'slots or recesses of the pulley and of one of vthe side plates.

Figure l of drawing is a side elevation;

Fig. 2, a vertical,cross-section. Fig. 3 is a side elevation of pulley and cross-pin.

- A represents the side plates; B, the pulley; O, the shaft or cross-pin, and A the faceplate of the pulley-casing. The shaft or crosspin 0 is secured by fins or projecting flanges, 0, formed thereon, fitting in corresponding A sashpulley having its sh aft or cross-pin G secured by fins or projecting flanges, 0, formed thereon, and fitting in the corresponding elongated slots or recesses of the pulley and of one of the side plates, substantially as and for the purpose specified.

.ARTHUR ROBERT WATTERSON.

Witnesses: v

G. T; WATTERSON, CORNELIUS CROWLEY. 

